Buy it because it is set in a sprue. The price is somewhat higher, and it is not a spiral tap, so it is difficult to discharge the scraps. If you have a dedicated spiral tap, I would like to purchase it.

There is no problem as a tap. Strongly speaking, the price is high. I understand that it will become higher as it is different from the standard tap, but will not it manage a little more? Although it is used for processing that failure is not permitted, exchange at high frequency is a tough price.